<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            background: url(./banner.jpg) no-repeat;
        }
        
        .box1 {
            width: 300px;
            height: 300px;
            border: 10px solid rgba(88, 88, 88, 0.3);
            background: rgba(255, 255, 255, 0.3);
        }
    </style>
</head>

<body>
    <div class="box1"></div>
</body>

</html>